1. Armando1969

    Z4 e89 N54 Downpipes with race-cats and silicone intakes.

    I want to take the next step in the tuning of the engine , but I have some limitations to do this. I live in the Netherlands, that means I can't eliminate the cats in the downpipes, because then the car will fail it's yearly inspection. But downpipes with race-cats are almost impossible to find...
  2. D

    LPFS integration for Z4 35i & 35is (N54)

    For those that would like to integrate the Low Pressure Fuel Sensor (LPFS) from the 135/335 into their Z4 35i/s I made this tutorial video. The video covers the mechanical and electrical aspects but you will need to consult a tuner for the firmware integration. I’m currently using it in...
  3. Tuningservice.no

    What dual-LPFP solution do you use in your Z4?

    Just bought a E89 Z4 35is DCT that's getting a bottom mount single turbo. What dual in-tank fuel pump solutions for the Z4 is out there?
  4. RobbiZ4

    E89 Z4 E89 Dynamic Turn Signal - Dynamischer Blinker

    Weeks ago @fmorelli asked me to post this topic in a separate thread. In between, this project has been finished as well and the "upgraded" back lights ar mounted in the car since about 6 weeks without any problems.
  5. pelbro62

    E89 rear windows anti-trap

    I downloaded the new android app for Pro Tools for coding. I inadvertently did something I shouldn't have and now the rear windows only go down about 4 inches at a time (6 down button clicks). This causes the hardtop not to go down and an error that states Window Anti-Tripping Error. I have...